<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>后盾人</title>
  </head>
  <body>
    <script>
      function star(num) {
        return "*".repeat(num || 5);
      }
      console.log(star());
      // let a = 6,
      //   b = 0;
      // let sex = prompt("请输入必须") || "保密";
      // console.log(sex);
      // let f = b || a;
      // console.log(f);
      // if (a || b) {
      //   console.log("houdunren");
      // }
      // console.log(b == true);
      // if (a) {
      //   console.log(33);
      // }
    </script>
  </body>
</html>
